Alert archive / Florida / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 52, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Aug 14, 2005, 12:46 PM EDT for Pinellas County, Florida. It was in force for 25 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 14, 2005, 12:46 PM EDT (16:46 UTC)
- Expired
- Aug 14, 2005, 1:11 PM EDT
- In force
- 25 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Counties, with a storm outline in the text
County Pinellas County, FL
The radar
The Tampa radar (KTBW), 36 km from the middle of the area, began a volume at 16:50 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 14, 12:56 PM EDT | HAIL 1 | Saint Petersburg, FL | QUARTER SIZE HAIL REPORTED AT 58TH STREET AND 30TH AVENUE IN SAINT PETERSBURG. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 10 minutes after it went out.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 4.8 hours before the alert went out and 36 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 586 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 987 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KTBW 141647 SVRTBW FLC103-141715- /O.NEW.KTBW.SV.W.0052.050814T1646Z-050814T1715Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1247 PM EDT SUN AUG 14 2005 THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL PINELLAS COUNTY IN FLORIDA. * UNTIL 115 PM EDT * AT 1247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL...OVER SAINT PETERSBURG... MOVING NORTH AT 5 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... TREASURE ISLAND BY 1245 PM EDT. KENNETH CITY BY 1250 PM EDT. LEALMAN BY 100 PM EDT. PINELLAS PARK BY 115 PM EDT. AT 1240 PM EDT...A WEATHER SPOTTER ALSO REPORTED DIME SIZE HAIL OVER SAINT PETERSBURG WITH THIS STORM. SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND HAIL THE SIZE OF PENNIES OR LARGER. MOVE TO A PLACE OF SAFETY. MOVE INSIDE A STURDY BUILDING. DAMAGING WIND...LARGE HAIL... TORRENTIAL RAIN...AND DEADLY LIGHTNING ARE EXPECTED. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 2770 8282 2772 8261 2798 8260 2796 8288 $$ 57
2 follow-up statements
000 WWUS52 KTBW 141657 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1256 PM EDT SUN AUG 14 2005 FLC103-141715- /O.CON.KTBW.SV.W.0052.000000T0000Z-050814T1715Z/ PINELLAS- 1256 PM EDT SUN AUG 14 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES FOR CENTRAL PINELLAS COUNTY UNTIL 115 PM EDT... AT 1254 PM EDT...A SKYWARN SPOTTER REPORTED QUARTER SIZE HAIL NEAR 58TH STREET AND 30TH AVENUE IN NORTHERN SAINT PETERSBURG. AT 1256 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF PINELLAS PARK...MOVING NORTH AT 5 MPH. THE SEVERE THUNDERSTORM WILL AFFECT... KENNETH CITY BY 1255 PM EDT. PINELLAS PARK BY 100 PM EDT. HIGHPOINT BY 115 PM EDT. THE SEVERE THUNDERSTORM IS ALSO CAPABLE OF PRODUCING... NICKEL SIZE HAIL. EXCESSIVE AND DEADLY CLOUD-TO-GROUND LIGHTNING. && LAT...LON 2770 8282 2772 8261 2798 8260 2796 8288 $$ 57
000 WWUS52 KTBW 141711 SVSTBW SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 111 PM EDT SUN AUG 14 2005 FLC103-141721- /O.CAN.KTBW.SV.W.0052.000000T0000Z-050814T1715Z/ PINELLAS- 111 PM EDT SUN AUG 14 2005 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PINELLAS COUNTY IS CANCELLED... AT 111 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER SEVERE...THUS THE WARNING HAS BEEN CANCELLED. DOPPLER RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE STILL POSSIBLE FROM THE THUNDERSTORM. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. && LAT...LON 2770 8282 2772 8261 2798 8260 2796 8288 $$ 57
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 14, 9:24 AM EDT, 3 hours 22 minutes earlier.
Area forecast discussion, Aug 14, 9:24 AM EDT, 3 hours 22 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 924 AM EDT SUN AUG 14 2005 .DISCUSSION...GENERAL RIDGING ALOFT CONTINUES TO DOMINATE MUCH OF THE AREA...HOWEVER THE RUC DOES PLACE A WEAKNESS ALOFT ALONG THE WEST FL COAST. AT THE SURFACE THE MSAS AND SFC OBS LOCATE A BROAD RIDGE FROM THE ATLANTIC ACROSS FL TO THE GULF WITH AN AXIS OVER THE NORTH END OF THE NATURE COAST. ONLY CONCERN FOR TODAY IS THE LOWER PWAT ALONG THE WEST COAST...THE TBW 12Z RAOB CAME IN WITH 1.74 INCHES. THIS IS LOWER THAN 24 HRS. AGO AND CURRENT GUIDANCE. AM TEMPTED TO TRIM POPS TODAY BUT SINCE THE END RESULT WOULD STILL IN THE SCATTERED RANGE AND THE HIGHER POPS ARE OVER THE INTERIOR WILL LEAVE FORECAST AS IS. && .MARINE...VARIABLE OR LIGHT SOUTHEASTERLY WINDS ON THE GULF WILL SHIFT TO WEST IN THE AFTERNOON SEA BREEZE. THE LATE NIGHT/EARLY MORNING LIGHT SHOW HAS TRENDED DOWN TO JUST A FEW SHOWERS WHICH WILL CONTINUE ISOLATED THROUGH THE DAY ALONG WITH SOME TSTMS. FORECAST OUT BY 1015 AM WITH LITTLE CHANGE. && .TBW WATCHES/WARNINGS/ADVISORIES...NONE. && RKR
Hazardous weather outlook, Aug 14, 5:30 AM EDT, 7 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 530 AM EDT SUN AUG 14 2005 FLZ039-042-043-048>052-055>057-060>062-065-141400- CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE- LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER- 530 AM EDT SUN AUG 14 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY: SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON MAINLY ALONG SEABREEZE AND OUTFLOW BOUNDARIES. STORMS WILL BE MOST PREVALENT ACROSS THE INTERIOR AND SOUTHERN COUNTIES...AND WILL GENERALLY MOVE TO THE EAST THROUGH THE DAY. THE MAIN HAZARDS WITH THESE STORMS WILL BE FREQUENT LIGHTNING...TORRENTIAL RAINS BRIEFLY REDUCING VISIBILITIES AND CAUSING WATER TO COLLECT ON ROADS AND LOW LYING AREAS...AND GUSTY WINDS. WHEN SKIES DARKEN...MOVE INDOORS. IF THERE IS TIME...UNPLUG APPLIANCES AND ELECTRICAL EQUIPMENT. WAIT UNTIL THE STORM ENDS BEFORE USING THE TELEPHONE OR RUNNING WATER. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA OUTLETS FOR UPDATES. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY: SCATTERED THUNDERSTORMS WILL DEVELOP EACH AFTERNOON WITH GUSTY WINDS...FREQUENT LIGHTNING AND HEAVY RAINS POSING THE GREATEST HAZARDS. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT HTTP://WWW.SRH.NOAA.GOV/TBW (LOWER CASE)
In the hours before
Special weather statement, Aug 14, 12:38 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 1238 PM EDT SUN AUG 14 2005 FLZ050-141715- PINELLAS- 1238 PM EDT SUN AUG 14 2005 ...STRONG THUNDERSTORMS WILL AFFECT CENTRAL AND SOUTHERN PINELLAS COUNTY... A LINE OF STRONG THUNDERSTORMS...NEARLY STATIONARY...WILL AFFECT SEMINOLE...MADEIRA BEACH...TREASURE ISLAND...SAINT PETERSBURG... PINELLAS PARK...LEALMAN AND KENNETH CITY...UNTIL 115 PM EDT. GUSTY WINDS UP TO 40 MPH MAY BE POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM MAY PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. MOTORISTS SHOULD EXERCISE CAUTION WHILE TRAVELING THIS AFTERNOON. JCM
The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 3:45 PM EDT | Special Weather Statement | TBW | Pasco | 15 min |
| Aug 14, 7:01 PM EDT | Severe Thunderstorm Warning | TBW | Lee | 32 min |
| Aug 14, 7:35 PM EDT | Special Marine Warning | TBW | 40 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2005Every severe thunderstorm warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.